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Finding the Fourth Proportional to 192,869.46, 289,013.54 and 171,847.08

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Solution

The fourth proportional to 192,869.46, 289,013.54 and 171,847.08 is: 257,511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,869.46 : 289,013.54 = 171,847.08 : x
  2. Step 2: Convert to fraction form
    192,869.46/289,013.54 = 171,847.08/x
  3. Step 3: Cross multiply
    192,869.46x = 289,013.54 × 171,847.08
  4. Step 4: Simplify right side
    192,869.46x = 49,666,132,070.23
  5. Step 5: Solve for x
    x = 49,666,132,070.23/192,869.46
  6. Step 6: Final answer
    x = 257,511.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.